Entegris, Inc.
ARTICLES COATED WITH CRACK-RESISTANT FLUORO-ANNEALED FILMS AND METHODS OF MAKING

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Abstract:

Articles and methods relating to coatings having superior plasma etch-resistance and which can prolong the life of RIE components are provided. An article has a vacuum compatible substrate and a protective film overlying at least a portion of the substrate. The film comprises a fluorinated metal oxide containing yttrium wherein the yttrium oxide is deposited using an AC power source. The film has a fluorine atomic % of at least 10 at a depth of 30% of the total thickness of the film and the film has no subsurface cracks below the surface of the film visible when using a laser confocal microscope to view the full depth of the film at a magnification of 1000.times..

Status:
Application
Type:

Utility

Filling date:

16 Nov 2021

Issue date:

19 May 2022